cover 1907 (Dec.) native envelope from Nam-Hoi to San Francisco via Canton (Chinese and French P.O.s) and Victoria, H.K. bearing C.I.P. 2c. (5) cancelled by Chinese c.d.s. and all values additionally tied by small tombstone "2" numeral dater in red, showing oval "Director of Posts/2" h.s. in red adjacent. Rare and most unusual. Photo